Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Qual dia a equipe joga no oval ocidental?
 ###Tabelas: CREATE TABLE round_16 (round_16_id AUTO_INCREMENT PRIMARY KEY, Home team VARCHAR, Home team score VARCHAR, Away team VARCHAR, Away team score VARCHAR, Venue VARCHAR, Crowd INT, Date VARCHAR) CREATE TABLE electoral_effect (electoral_effect_id AUTO_INCREMENT PRIMARY KEY, Party VARCHAR, Votes cast INT, Percentage INT, Seats won INT, Percent of seats INT) CREATE TABLE mixed_doubles:_8_3_titles_5_runner-ups (mixed_doubles:_8_3_titles_5_runner-ups_id AUTO_INCREMENT PRIMARY KEY, Outcome VARCHAR, Year INT, Championship VARCHAR, Surface VARCHAR, Partner VARCHAR, Opponents VARCHAR, Score VARCHAR) CREATE TABLE head-to-head_records_against_other_countries (head-to-head_records_against_other_countries_id AUTO_INCREMENT PRIMARY KEY, Games INT, Wins INT, Draws INT, Losses INT, Goals For INT, Goals Against INT, Goal Differential VARCHAR) CREATE TABLE inter_molecular_interactions:_microrna:utr (inter_molecular_interactions:_microrna:utr_id AUTO_INCREMENT PRIMARY KEY, Name VARCHAR, Species Specific VARCHAR, Intra-molecular structure VARCHAR, Comparative VARCHAR, Link VARCHAR)  
SELECT Date FROM round_16 WHERE Venue = western oval